128391702

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 282720000

約数和(自身を除く): 154328298

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 61, 74, 111, 114, 122, 183, 222, 366, 499, 703, 998, 1159, 1406, 1497, 2109, 2257, 2318, 2994, 3477, 4218, 4514, 6771, 6954, 9481, 13542, 18463, 18962, 28443, 30439, 36926, 42883, 55389, 56886, 60878, 85766, 91317, 110778, 128649, 182634, 257298, 350797, 578341, 701594, 1052391, 1126243, 1156682, 1735023, 2104782, 2252486, 3378729, 3470046, 6757458, 21398617, 42797234, 64195851, 128391702]

約数ペア:

[(1, 128391702), (2, 64195851), (3, 42797234), (6, 21398617), (19, 6757458), (37, 3470046), (38, 3378729), (57, 2252486), (61, 2104782), (74, 1735023), (111, 1156682), (114, 1126243), (122, 1052391), (183, 701594), (222, 578341), (366, 350797), (499, 257298), (703, 182634), (998, 128649), (1159, 110778), (1406, 91317), (1497, 85766), (2109, 60878), (2257, 56886), (2318, 55389), (2994, 42883), (3477, 36926), (4218, 30439), (4514, 28443), (6771, 18962), (6954, 18463), (9481, 13542)]